<template>
	<view  v-if="goods_info.goods_name" class="goods-detail-container">
		<swiper :indicator-dots="true" autoplay="true" :interval="3000" :duration="1000" circular="true">
		  <swiper-item v-for="(item, i) in goods_info.pics" :key="i">
		    <image :src="item.pics_big" @click="preview(i)"></image>
		  </swiper-item>
		</swiper>
    <view class="goods-info-box">
      <view class="price">￥{{goods_info.goods_price}}</view>
      <view class="goods-info-body">
        <view class="goods-name">{{goods_info.goods_name}}</view>
        <view class="favicon">
          <uni-icons type="star" size="18" color="gray"></uni-icons>
          <text>收藏</text>
        </view>
      </view>
      <view class="deliveryfare">快递：免运费</view>
    </view>
    <rich-text :nodes="goods_info.goods_introduce"></rich-text>
    <uni-goods-nav :fill="true"  :options="options" :buttonGroup="buttonGroup"  @click="onClick" @buttonClick="buttonClick" />
	</view>
</template>

<script>
  import { mapState, mapMutations,mapGetters } from 'vuex'
	export default {
		data() {
			return {
				goods_info: {},
        options: [ 
          {
        		icon: 'shop',
        		text: '店铺',
        		info: 0,
        		infoBackgroundColor:'#007aff',
        		infoColor:"red"
        	},
          {
        		icon: 'cart',
        		text: '购物车',
        		info: 0
        	}],
        buttonGroup: [{
          text: '加入购物车',
          backgroundColor: '#ff0000',
          color: '#fff'
        },
        {
          text: '立即购买',
          backgroundColor: '#ffa200',
          color: '#fff'
        }]
      }
		},
    computed: {
      ...mapState('m_cart', ['cart']),
      ...mapGetters('m_cart', ['total'])
    },
    watch: {
      total: {
        handler: function(newVal) {
          const findResult = this.options.find(item => item.text === '购物车')
          if (findResult) {
            findResult.info = newVal
          }
        },
        immediate: true
      }
    },
    methods: {
      ...mapMutations('m_cart', ['addToCart']),
      async getGoodsDetail(goods_id) {
        const { data: res } = await uni.$http.get('/api/public/v1/goods/detail', { goods_id })
        if (res.meta.status !== 200) return uni.$showMsg()
        res.message.goods_introduce = res.message.goods_introduce.replace(/<img /g, '<img style="display: block;" ').replace(/webp/g, 'jpg')
        this.goods_info = res.message
      },
      preview(i) {
        uni.previewImage({
          current: i,
          urls: this.goods_info.pics.map(x => x.pics_big)
        })
      },
      onClick (e) {
        uni.showToast({
          title: `点击${e.content.text}`,
          icon: 'none'
        })
        console.log(e)
        if (e.content.text === '购物车') {
          uni.switchTab({
            url: '/pages/cart/cart'
          })
        }
      },
      buttonClick (e) {
        console.log(e)
        if (e.content.text === '加入购物车') {
          //组织一个商品的信息对象
          const goods = {
             goods_id: this.goods_info.goods_id,       // 商品的Id
             goods_name: this.goods_info.goods_name,   // 商品的名称
             goods_price: this.goods_info.goods_price, // 商品的价格
             goods_count: 1,                           // 商品的数量
             goods_small_logo: this.goods_info.goods_small_logo, // 商品的图片
             goods_state: true                         // 商品的勾选状态
          }
          this.addToCart(goods)
        }
        // this.options[1].info++
      },
  
    },
    onLoad(options) {
      const goods_id = options.goods_id
      this.getGoodsDetail(goods_id)
    }
	}
</script>

<style lang="scss">
.goods-detail-container {
  padding-bottom: 50px;
}
swiper {
  height: 750rpx;

  image {
    width: 100%;
    height: 100%;
  }
}
.goods-info-box {
  padding: 10px;
  padding-right: 0;

  .price {
    color: #c00000;
    font-size: 18px;
    margin: 10px 0;
  }

  .goods-info-body {
    display: flex;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
      padding-right: 10px;
    }
    // 收藏区域
    .favicon {
      width: 120px;
      font-size: 12px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      border-left: 1px solid #efefef;
      color: gray;
    }
  }

  // 运费
  .deliveryfare {
    margin: 10px 0;
    font-size: 12px;
    color: gray;
  }
}
.uni-goods-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
}
</style>
